Overview

overview

10

Static

static

84c34b6c0b...b2.exe

windows7_x64

10

84c34b6c0b...b2.exe

windows10_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    07-05-2021 02:27

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General

  • Target

    84c34b6c0b92ad5759a512d6846a98b2.exe

  • Size

    31KB

  • MD5

    84c34b6c0b92ad5759a512d6846a98b2

  • SHA1

    7fa7e252916780fd92615e55626e4bea368c4dbe

  • SHA256

    d62f0e86c54f465b93bdab28f2ccc770999db63f8c69c937afcf66f9029eae3f

  • SHA512

    9737aa7437d3e3dd430903687a8fb560907c481537e202d54d28f76565fdef3a4d0d2f71b29bfc86a1d9ecbba40bdd70582dcba4cf7ba80612dd39d0d4529cc1

Score
10/10
njratmybotevasiontrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MyBot

C2

6.tcp.ngrok.io:12194

Mutex

5f00a5bd21bef453c3bb48de1a4c154f

Attributes
  • reg_key

    5f00a5bd21bef453c3bb48de1a4c154f

  • splitter

    Y262SUCZ4UJJ

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84c34b6c0b92ad5759a512d6846a98b2.exe
    "C:\Users\Admin\AppData\Local\Temp\84c34b6c0b92ad5759a512d6846a98b2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1244
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
          PID:1564

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
      MD5

      84c34b6c0b92ad5759a512d6846a98b2

      SHA1

      7fa7e252916780fd92615e55626e4bea368c4dbe

      SHA256

      d62f0e86c54f465b93bdab28f2ccc770999db63f8c69c937afcf66f9029eae3f

      SHA512

      9737aa7437d3e3dd430903687a8fb560907c481537e202d54d28f76565fdef3a4d0d2f71b29bfc86a1d9ecbba40bdd70582dcba4cf7ba80612dd39d0d4529cc1

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
      MD5

      84c34b6c0b92ad5759a512d6846a98b2

      SHA1

      7fa7e252916780fd92615e55626e4bea368c4dbe

      SHA256

      d62f0e86c54f465b93bdab28f2ccc770999db63f8c69c937afcf66f9029eae3f

      SHA512

      9737aa7437d3e3dd430903687a8fb560907c481537e202d54d28f76565fdef3a4d0d2f71b29bfc86a1d9ecbba40bdd70582dcba4cf7ba80612dd39d0d4529cc1

      Download Submit
    • \Users\Admin\AppData\Local\Temp\WindowsServices.exe
      MD5

      84c34b6c0b92ad5759a512d6846a98b2

      SHA1

      7fa7e252916780fd92615e55626e4bea368c4dbe

      SHA256

      d62f0e86c54f465b93bdab28f2ccc770999db63f8c69c937afcf66f9029eae3f

      SHA512

      9737aa7437d3e3dd430903687a8fb560907c481537e202d54d28f76565fdef3a4d0d2f71b29bfc86a1d9ecbba40bdd70582dcba4cf7ba80612dd39d0d4529cc1

      Download Submit
    • memory/1244-63-0x0000000000000000-mapping.dmp
      Download
    • memory/1244-67-0x0000000000BB0000-0x0000000000BB1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1564-68-0x0000000000000000-mapping.dmp
      Download
    • memory/1668-60-0x0000000075B31000-0x0000000075B33000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1668-61-0x0000000000C10000-0x0000000000C11000-memory.dmp
      Filesize

      4KB

      Download